4961511012 has 12 divisors (see below), whose sum is σ = 11576859056. Its totient is φ = 1653837000.

The previous prime is 4961510969. The next prime is 4961511019. The reversal of 4961511012 is 2101151694.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4961511019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206729614 + ... + 206729637.

Almost surely, 2^4961511012 is an apocalyptic number.

It is an amenable number.

4961511012 is an abundant number, since it is smaller than the sum of its proper divisors (6615348044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4961511012 is a wasteful number, since it uses less digits than its factorization.

4961511012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413459258 (or 413459256 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 4961511012 is about 70437.9940940967. The cubic root of 4961511012 is about 1705.5769568695.

The spelling of 4961511012 in words is "four billion, nine hundred sixty-one million, five hundred eleven thousand, twelve".